When you start an Office app for the first time, the system will inform “ You’ve got Office”.
Note: ASUS computer bundles with Microsoft 365, and if you have a one-time purchase of Office Home & Business (ex: Office 2021, or 2019), please follow the following steps to upgrade Microsoft 365 to Office 2021. The following activation process takes Office 2021 as an example: (The Office authority will be linked to your Microsoft account.)
You need to sign in with a Microsoft account.
You need to activate Office within 180 days from the time the Windows OS is activated.
Before you activate Office applications, Windows OS must be activated on your computer.
Note: If you had activated Office already and you need to reinstall it, please click here. Before activating Office, please check below Office regulations from Microsoft. This article describes how to activate a one-time purchase version of Office Home & Business (ex: Office 2021, 2019, etc.), and you also can refer to the Microsoft’s Activate Office topic. Please remember it can take some time for your bank or credit card company to process and post the refund too.How to activate one-time purchase Office Home & Business (ex: Office 2021, or 2019) If approved, you’ll be automatically refunded on your original payment method. We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Unfortunately, we cannot accept returns on sale items or gift cards. Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. You can always contact us for any return question at and issues Items sent back to us without first requesting a return will not be accepted. To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. You’ll also need the receipt or proof of purchase. To be eligible for a return, your item must be in the same condition that you received it, unopened or unused, with tags, and in its original packaging. We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.